Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412478 | Breather for internal combustion engine | Gerald C. Ruehlow, Dawei Chen | 2002-07-02 |
| 6068017 | Dual-fuel valve | Dawei Chen, Gerald C. Ruehlow | 2000-05-30 |
| 5298877 | Fuse link and dual element fuse | Leon Gurevich | 1994-03-29 |
| 5085375 | Leaf mulcher | — | 1992-02-04 |